| 摘要 |
An instrument panel assembly ( 10 ) having a transparent intermediate substrate ( 42 ) inside its housing ( 16 ) on which is applied a phosphor coated indicia ( 40 ) for giving the appearance of a depth dimension when energized by a UV light source ( 36 ). Multiple intermediate substrates ( 42, 48 ) can be positioned at different level within the interior region of the housing ( 16 ), each containing various indicia ( 40, 46, 56, 58 ) which emits luminescent light when irradiated by the UV light source ( 36 ). Multiple UV light sources ( 36, 52 ) can be set to project UV radiation of different wavelengths into the housing ( 16 ) with each of the phosphor coated indicia ( 40, 46, 56, 58 ) being selected from material types which are responsive to only one of the various UV wavelengths, so that each indicia ( 40, 46, 56, 58 ) can be selectively energized to display warnings, information messages, or the like.
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